what was the most direct air mail delivery route across the country from new york city to san Francisco
1 answer:
Answer:
The first regularly scheduled airmail route connected New York and Washington, D.C., via
Philadelphia, from May 15, 1918, to May 31, 1921. The Post Office Department operated the
218-mile route to demonstrate that mail transportation by airplane was possible on a regular
schedule in all kinds of weather.
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I think the answer is B. hope this helped